1*fae548d3Szrj /* Macros for taking apart, interpreting and processing file names. 2*fae548d3Szrj 3*fae548d3Szrj These are here because some non-Posix (a.k.a. DOSish) systems have 4*fae548d3Szrj drive letter brain-damage at the beginning of an absolute file name, 5*fae548d3Szrj use forward- and back-slash in path names interchangeably, and 6*fae548d3Szrj some of them have case-insensitive file names. 7*fae548d3Szrj 8*fae548d3Szrj Copyright (C) 2000-2020 Free Software Foundation, Inc. 9*fae548d3Szrj 10*fae548d3Szrj This file is part of BFD, the Binary File Descriptor library. 11*fae548d3Szrj 12*fae548d3Szrj This program is free software; you can redistribute it and/or modify 13*fae548d3Szrj it under the terms of the GNU General Public License as published by 14*fae548d3Szrj the Free Software Foundation; either version 2 of the License, or 15*fae548d3Szrj (at your option) any later version. 16*fae548d3Szrj 17*fae548d3Szrj This program is distributed in the hope that it will be useful, 18*fae548d3Szrj but WITHOUT ANY WARRANTY; without even the implied warranty of 19*fae548d3Szrj MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20*fae548d3Szrj GNU General Public License for more details. 21*fae548d3Szrj 22*fae548d3Szrj You should have received a copy of the GNU General Public License 23*fae548d3Szrj along with this program; if not, write to the Free Software 24*fae548d3Szrj Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 25*fae548d3Szrj 26*fae548d3Szrj #ifndef FILENAMES_H 27*fae548d3Szrj #define FILENAMES_H 28*fae548d3Szrj 29*fae548d3Szrj #include "hashtab.h" /* for hashval_t */ 30*fae548d3Szrj 31*fae548d3Szrj #ifdef __cplusplus 32*fae548d3Szrj extern "C" { 33*fae548d3Szrj #endif 34*fae548d3Szrj 35*fae548d3Szrj #if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__) 36*fae548d3Szrj # ifndef HAVE_DOS_BASED_FILE_SYSTEM 37*fae548d3Szrj # define HAVE_DOS_BASED_FILE_SYSTEM 1 38*fae548d3Szrj # endif 39*fae548d3Szrj # ifndef HAVE_CASE_INSENSITIVE_FILE_SYSTEM 40*fae548d3Szrj # define HAVE_CASE_INSENSITIVE_FILE_SYSTEM 1 41*fae548d3Szrj # endif 42*fae548d3Szrj # define HAS_DRIVE_SPEC(f) HAS_DOS_DRIVE_SPEC (f) 43*fae548d3Szrj # define IS_DIR_SEPARATOR(c) IS_DOS_DIR_SEPARATOR (c) 44*fae548d3Szrj # define IS_ABSOLUTE_PATH(f) IS_DOS_ABSOLUTE_PATH (f) 45*fae548d3Szrj #else /* not DOSish */ 46*fae548d3Szrj # if defined(__APPLE__) 47*fae548d3Szrj # ifndef HAVE_CASE_INSENSITIVE_FILE_SYSTEM 48*fae548d3Szrj # define HAVE_CASE_INSENSITIVE_FILE_SYSTEM 1 49*fae548d3Szrj # endif 50*fae548d3Szrj # endif /* __APPLE__ */ 51*fae548d3Szrj # define HAS_DRIVE_SPEC(f) (0) 52*fae548d3Szrj # define IS_DIR_SEPARATOR(c) IS_UNIX_DIR_SEPARATOR (c) 53*fae548d3Szrj # define IS_ABSOLUTE_PATH(f) IS_UNIX_ABSOLUTE_PATH (f) 54*fae548d3Szrj #endif 55*fae548d3Szrj 56*fae548d3Szrj #define IS_DIR_SEPARATOR_1(dos_based, c) \ 57*fae548d3Szrj (((c) == '/') \ 58*fae548d3Szrj || (((c) == '\\') && (dos_based))) 59*fae548d3Szrj 60*fae548d3Szrj #define HAS_DRIVE_SPEC_1(dos_based, f) \ 61*fae548d3Szrj ((f)[0] && ((f)[1] == ':') && (dos_based)) 62*fae548d3Szrj 63*fae548d3Szrj /* Remove the drive spec from F, assuming HAS_DRIVE_SPEC (f). 64*fae548d3Szrj The result is a pointer to the remainder of F. */ 65*fae548d3Szrj #define STRIP_DRIVE_SPEC(f) ((f) + 2) 66*fae548d3Szrj 67*fae548d3Szrj #define IS_DOS_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (1, c) 68*fae548d3Szrj #define IS_DOS_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (1, f) 69*fae548d3Szrj #define HAS_DOS_DRIVE_SPEC(f) HAS_DRIVE_SPEC_1 (1, f) 70*fae548d3Szrj 71*fae548d3Szrj #define IS_UNIX_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (0, c) 72*fae548d3Szrj #define IS_UNIX_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (0, f) 73*fae548d3Szrj 74*fae548d3Szrj /* Note that when DOS_BASED is true, IS_ABSOLUTE_PATH accepts d:foo as 75*fae548d3Szrj well, although it is only semi-absolute. This is because the users 76*fae548d3Szrj of IS_ABSOLUTE_PATH want to know whether to prepend the current 77*fae548d3Szrj working directory to a file name, which should not be done with a 78*fae548d3Szrj name like d:foo. */ 79*fae548d3Szrj #define IS_ABSOLUTE_PATH_1(dos_based, f) \ 80*fae548d3Szrj (IS_DIR_SEPARATOR_1 (dos_based, (f)[0]) \ 81*fae548d3Szrj || HAS_DRIVE_SPEC_1 (dos_based, f)) 82*fae548d3Szrj 83*fae548d3Szrj extern int filename_cmp (const char *s1, const char *s2); 84*fae548d3Szrj #define FILENAME_CMP(s1, s2) filename_cmp(s1, s2) 85*fae548d3Szrj 86*fae548d3Szrj extern int filename_ncmp (const char *s1, const char *s2, 87*fae548d3Szrj size_t n); 88*fae548d3Szrj 89*fae548d3Szrj extern hashval_t filename_hash (const void *s); 90*fae548d3Szrj 91*fae548d3Szrj extern int filename_eq (const void *s1, const void *s2); 92*fae548d3Szrj 93*fae548d3Szrj extern int canonical_filename_eq (const char *a, const char *b); 94*fae548d3Szrj 95*fae548d3Szrj #ifdef __cplusplus 96*fae548d3Szrj } 97*fae548d3Szrj #endif 98*fae548d3Szrj 99*fae548d3Szrj #endif /* FILENAMES_H */ 100